21155118

素因数分解:

$2^1\times 3^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 43201536

約数和(自身を除く): 22046418

約数列:

[1, 2, 3, 6, 97, 163, 194, 223, 291, 326, 446, 489, 582, 669, 978, 1338, 15811, 21631, 31622, 36349, 43262, 47433, 64893, 72698, 94866, 109047, 129786, 218094, 3525853, 7051706, 10577559, 21155118]

約数ペア:

[(1, 21155118), (2, 10577559), (3, 7051706), (6, 3525853), (97, 218094), (163, 129786), (194, 109047), (223, 94866), (291, 72698), (326, 64893), (446, 47433), (489, 43262), (582, 36349), (669, 31622), (978, 21631), (1338, 15811)]